/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
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 *
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 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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 ************************************************************************/

#include <list>

#include <vcl/svapp.hxx>

#include <tools/stream.hxx>
#include <bf_svtools/brdcst.hxx>
#include <sbx.hxx>
#include "sb.hxx"
#include <sbjsmeth.hxx>
#include "sbjsmod.hxx"
#include "sbintern.hxx"
#include "image.hxx"
#include "token.hxx"
#include "sbunoobj.hxx"
#include "basrdll.hxx"

#include <osl/mutex.hxx>
#include <rtl/ustring.hxx>

// for the bsearch
#ifdef WNT
#define CDECL _cdecl
#endif
#if defined(UNX)
#define CDECL
#endif
#ifdef UNX
#include <sys/resource.h>
#endif

#include <stdio.h>


namespace binfilter {

using ::rtl::OUString;

TYPEINIT1(SbModule,SbxObject)
TYPEINIT1(SbMethod,SbxMethod)
TYPEINIT1(SbProperty,SbxProperty)
TYPEINIT1(SbProcedureProperty,SbxProperty)
TYPEINIT1(SbJScriptModule,SbModule)
TYPEINIT1(SbJScriptMethod,SbMethod)

/////////////////////////////////////////////////////////////////////////////

// Ein BASIC-Modul hat EXTSEARCH gesetzt, damit die im Modul enthaltenen
// Elemente von anderen Modulen aus gefunden werden koennen.

SbModule::SbModule( const String& rName )
         : SbxObject( String( RTL_CONSTASCII_USTRINGPARAM("StarBASICModule") ) ),
           pImage( NULL ), pClassData( NULL )
{
    SetName( rName );
    SetFlag( SBX_EXTSEARCH | SBX_GBLSEARCH );
}

SbModule::~SbModule()
{
    if( pImage )
        delete pImage;
    if( pClassData )
        delete pClassData;
}

BOOL SbModule::IsCompiled() const
{
    return BOOL( pImage != 0 );
}

const SbxObject* SbModule::FindType( String aTypeName ) const
{
    return pImage ? pImage->FindType( aTypeName ) : NULL;
}


// Aus dem Codegenerator: Loeschen des Images und Invalidieren der Entries

void SbModule::StartDefinitions()
{
    delete pImage; pImage = NULL;
    if( pClassData )
        pClassData->clear();

    // Methoden und Properties bleiben erhalten, sind jedoch ungueltig
    // schliesslich sind ja u.U. die Infos belegt
    USHORT i;
    for( i = 0; i < pMethods->Count(); i++ )
    {
        SbMethod* p = PTR_CAST(SbMethod,pMethods->Get( i ) );
        if( p )
            p->bInvalid = TRUE;
    }
    for( i = 0; i < pProps->Count(); )
    {
        SbProperty* p = PTR_CAST(SbProperty,pProps->Get( i ) );
        if( p )
            pProps->Remove( i );
        else
            i++;
    }
}

// Methode anfordern/anlegen

SbMethod* SbModule::GetMethod( const String& rName, SbxDataType t )
{
    SbxVariable* p = pMethods->Find( rName, SbxCLASS_METHOD );
    SbMethod* pMeth = p ? PTR_CAST(SbMethod,p) : NULL;
    if( p && !pMeth )
        pMethods->Remove( p );
    if( !pMeth )
    {
        pMeth = new SbMethod( rName, t, this );
        pMeth->SetParent( this );
        pMeth->SetFlags( SBX_READ );
        pMethods->Put( pMeth, pMethods->Count() );
        StartListening( pMeth->GetBroadcaster(), TRUE );
    }
    // Per Default ist die Methode GUELTIG, da sie auch vom Compiler
    // (Codegenerator) erzeugt werden kann
    pMeth->bInvalid = FALSE;
    pMeth->ResetFlag( SBX_FIXED );
    pMeth->SetFlag( SBX_WRITE );
    pMeth->SetType( t );
    pMeth->ResetFlag( SBX_WRITE );
    if( t != SbxVARIANT )
        pMeth->SetFlag( SBX_FIXED );
    return pMeth;
}

// Property anfordern/anlegen

SbIfaceMapperMethod::~SbIfaceMapperMethod()
{
}

TYPEINIT1(SbIfaceMapperMethod,SbMethod)


// Aus dem Codegenerator: Ungueltige Eintraege entfernen

void SbModule::EndDefinitions( BOOL bNewState )
{
    for( USHORT i = 0; i < pMethods->Count(); )
    {
        SbMethod* p = PTR_CAST(SbMethod,pMethods->Get( i ) );
        if( p )
        {
            if( p->bInvalid )
                pMethods->Remove( p );
            else
            {
                p->bInvalid = bNewState;
                i++;
            }
        }
        else
            i++;
    }
    SetModified( TRUE );
}

void SbModule::Clear()
{
    delete pImage; pImage = NULL;
    if( pClassData )
        pClassData->clear();
    SbxObject::Clear();
}


SbxVariable* SbModule::Find( const XubString& rName, SbxClassType t )
{
    SbxVariable* pRes = SbxObject::Find( rName, t );
    return pRes;
}

const ::rtl::OUString& SbModule::GetSource32() const
{
    return aOUSource;
}

const String& SbModule::GetSource() const
{
    static String aRetStr;
    aRetStr = aOUSource;
    return aRetStr;
}

// Parent und BASIC sind eins!

void SbModule::SetParent( SbxObject* p )
{
    pParent = p;
}

void SbModule::SFX_NOTIFY( SfxBroadcaster& rBC, const TypeId& rBCType,
                           const SfxHint& rHint, const TypeId& rHintType )
{
    const SbxHint* pHint = PTR_CAST(SbxHint,&rHint);
    if( pHint )
    {
        SbxVariable* pVar = pHint->GetVar();
        SbProperty* pProp = PTR_CAST(SbProperty,pVar);
        SbMethod* pMeth = PTR_CAST(SbMethod,pVar);
        if( pProp )
        {
            if( pProp->GetModule() != this )
                SetError( SbxERR_BAD_ACTION );
        }
        else if( pMeth )
        {
            if( pHint->GetId() == SBX_HINT_DATAWANTED )
            {
                if( pMeth->bInvalid && !Compile() )
                    // Auto-Compile hat nicht geklappt!
                    StarBASIC::Error( SbERR_BAD_PROP_VALUE );
                else
                {
                    // Aufruf eines Unterprogramms
                    SbModule* pOld = pMOD;
                    pMOD = this;
                    Run( (SbMethod*) pVar );
                    pMOD = pOld;
                }
            }
        }
        else
            SbxObject::SFX_NOTIFY( rBC, rBCType, rHint, rHintType );
    }
}

// Das Setzen der Source macht das Image ungueltig
// und scant die Methoden-Definitionen neu ein

void SbModule::SetSource( const String& r )
{
    SetSource32( r );
}

void SbModule::SetSource32( const ::rtl::OUString& r )
{
    aOUSource = r;
    StartDefinitions();
    SbiTokenizer aTok( r );
    while( !aTok.IsEof() )
    {
        SbiToken eEndTok = NIL;

        // Suchen nach SUB oder FUNCTION
        SbiToken eLastTok = NIL;
        while( !aTok.IsEof() )
        {
            // #32385: Nicht bei declare
            SbiToken eCurTok = aTok.Next();
            if( eLastTok != DECLARE )
            {
                if( eCurTok == SUB )
                {
                    eEndTok = ENDSUB; break;
                }
                if( eCurTok == FUNCTION )
                {
                    eEndTok = ENDFUNC; break;
                }
                if( eCurTok == PROPERTY )
                {
                    eEndTok = ENDPROPERTY; break;
                }
                if( eCurTok == OPTION )
                {
                    eCurTok = aTok.Next();
                    if( eCurTok == COMPATIBLE )
                        aTok.SetCompatible( true );
                }
            }
            eLastTok = eCurTok;
        }
        // Definition der Methode
        SbMethod* pMeth = NULL;
        if( eEndTok != NIL )
        {
            USHORT nLine1 = aTok.GetLine();
            if( aTok.Next() == SYMBOL )
            {
                String aName_( aTok.GetSym() );
                SbxDataType t = aTok.GetType();
                if( t == SbxVARIANT && eEndTok == ENDSUB )
                    t = SbxVOID;
                pMeth = GetMethod( aName_, t );
                pMeth->nLine1 = pMeth->nLine2 = nLine1;
                // Die Methode ist erst mal GUELTIG
                pMeth->bInvalid = FALSE;
            }
            else
                eEndTok = NIL;
        }
        // Skip bis END SUB/END FUNCTION
        if( eEndTok != NIL )
        {
            while( !aTok.IsEof() )
            {
                if( aTok.Next() == eEndTok )
                {
                    pMeth->nLine2 = aTok.GetLine();
                    break;
                }
            }
            if( aTok.IsEof() )
                pMeth->nLine2 = aTok.GetLine();
        }
    }
    EndDefinitions( TRUE );
}

SbMethod* SbModule::GetFunctionForLine( USHORT nLine )
{
    for( USHORT i = 0; i < pMethods->Count(); i++ )
    {
        SbMethod* p = (SbMethod*) pMethods->Get( i );
        if( p->GetSbxId() == SBXID_BASICMETHOD )
        {
            if( nLine >= p->nLine1 && nLine <= p->nLine2 )
                return p;
        }
    }
    return NULL;
}

// Ausstrahlen eines Hints an alle Basics

static void _SendHint( SbxObject* pObj, ULONG nId, SbMethod* p )
{
    // Selbst ein BASIC?
    if( pObj->IsA( TYPE(StarBASIC) ) && pObj->IsBroadcaster() )
        pObj->GetBroadcaster().Broadcast( SbxHint( nId, p ) );
    // Dann die Unterobjekte fragen
    SbxArray* pObjs = pObj->GetObjects();
    for( USHORT i = 0; i < pObjs->Count(); i++ )
    {
        SbxVariable* pVar = pObjs->Get( i );
        if( pVar->IsA( TYPE(SbxObject) ) )
            _SendHint( PTR_CAST(SbxObject,pVar), nId, p );
    }
}


// #57841 Uno-Objekte, die in RTL-Funktionen gehalten werden,
// beim Programm-Ende freigeben, damit nichts gehalten wird.
void ClearUnoObjectsInRTL_Impl_Rek( StarBASIC* pBasic )
{
    // return-Wert von CreateUnoService loeschen
    static String aName( RTL_CONSTASCII_USTRINGPARAM("CreateUnoService") );
    SbxVariable* pVar = pBasic->GetRtl()->Find( aName, SbxCLASS_METHOD );
    if( pVar )
        pVar->SbxValue::Clear();

    // return-Wert von CreateUnoDialog loeschen
    static String aName2( RTL_CONSTASCII_USTRINGPARAM("CreateUnoDialog") );
    pVar = pBasic->GetRtl()->Find( aName2, SbxCLASS_METHOD );
    if( pVar )
        pVar->SbxValue::Clear();

    // return-Wert von CDec loeschen
    static String aName3( RTL_CONSTASCII_USTRINGPARAM("CDec") );
    pVar = pBasic->GetRtl()->Find( aName3, SbxCLASS_METHOD );
    if( pVar )
        pVar->SbxValue::Clear();

    // return-Wert von CreateObject loeschen
    static String aName4( RTL_CONSTASCII_USTRINGPARAM("CreateObject") );
    pVar = pBasic->GetRtl()->Find( aName4, SbxCLASS_METHOD );
    if( pVar )
        pVar->SbxValue::Clear();

    // Ueber alle Sub-Basics gehen
    SbxArray* pObjs = pBasic->GetObjects();
    USHORT nCount = pObjs->Count();
    for( USHORT i = 0 ; i < nCount ; i++ )
    {
        SbxVariable* pObjVar = pObjs->Get( i );
        StarBASIC* pSubBasic = PTR_CAST( StarBASIC, pObjVar );
        if( pSubBasic )
            ClearUnoObjectsInRTL_Impl_Rek( pSubBasic );
    }
}

// Ausfuehren eines BASIC-Unterprogramms
USHORT SbModule::Run( SbMethod* /*pMeth*/ )
{
    OSL_FAIL( "SbModule::Run: dead code!" );
    return 0;
}

// Suche nach dem naechsten STMNT-Befehl im Code. Wird vom STMNT-
// Opcode verwendet, um die Endspalte zu setzen.

const BYTE* SbModule::FindNextStmnt( const BYTE* p, USHORT& nLine, USHORT& nCol ) const
{
    return FindNextStmnt( p, nLine, nCol, FALSE );
}

const BYTE* SbModule::FindNextStmnt( const BYTE* /*p*/, USHORT& /*nLine*/, USHORT& /*nCol*/,
    BOOL /*bFollowJumps*/, const SbiImage* /*pImg*/ ) const
{
    OSL_FAIL( "SbModule::FindNextStmnt: dead code!" );
    return NULL;
}

// Testen, ob eine Zeile STMNT-Opcodes enthaelt

BOOL SbModule::IsBreakable( USHORT nLine ) const
{
    if( !pImage )
        return FALSE;
    const BYTE* p = (const BYTE* ) pImage->GetCode();
    USHORT nl, nc;
    while( ( p = FindNextStmnt( p, nl, nc ) ) != NULL )
        if( nl == nLine )
            return TRUE;
    return FALSE;
}

USHORT SbModule::GetBPCount() const
{
    return 0;
}

USHORT SbModule::GetBP( USHORT ) const
{
    return 0;
}

BOOL SbModule::IsBP( USHORT ) const
{
    return FALSE;
}

BOOL SbModule::SetBP( USHORT /*nLine*/ )
{
    OSL_FAIL( "SbModule::SetBP: dead code!" );
    return FALSE;
}

BOOL SbModule::ClearBP( USHORT )
{
    return FALSE;
}

void SbModule::ClearAllBP()
{
}

void
SbModule::fixUpMethodStart( bool bCvtToLegacy, SbiImage* pImg ) const
{
        if ( !pImg )
            pImg = pImage;
        for( UINT32 i = 0; i < pMethods->Count(); i++ )
        {
            SbMethod* pMeth = PTR_CAST(SbMethod,pMethods->Get( (USHORT)i ) );
            if( pMeth )
            {
                //fixup method start positions
                if ( bCvtToLegacy )
                    pMeth->nStart = pImg->CalcLegacyOffset( pMeth->nStart );
                else
                    pMeth->nStart = pImg->CalcNewOffset( (USHORT)pMeth->nStart );
            }
        }

}

BOOL SbModule::LoadData( SvStream& rStrm, USHORT nVer )
{
    Clear();
    if( !SbxObject::LoadData( rStrm, 1 ) )
        return FALSE;
    // Sicherheitshalber...
    SetFlag( SBX_EXTSEARCH | SBX_GBLSEARCH );
    BYTE bImage;
    rStrm >> bImage;
    if( bImage )
    {
        SbiImage* p = new SbiImage;
        UINT32 nImgVer = 0;

        if( !p->Load( rStrm, nImgVer ) )
        {
            delete p;
            return FALSE;
        }
        // If the image is in old format, we fix up the method start offsets
        if ( nImgVer < B_EXT_IMG_VERSION )
        {
            fixUpMethodStart( false, p );
            p->ReleaseLegacyBuffer();
        }
        aComment = p->aComment;
        SetName( p->aName );
        if( p->GetCodeSize() )
        {
            aOUSource = p->aOUSource;
            // Alte Version: Image weg
            if( nVer == 1 )
            {
                SetSource32( p->aOUSource );
                delete p;
            }
            else
                pImage = p;
        }
        else
        {
            SetSource32( p->aOUSource );
            delete p;
        }
    }
    return TRUE;
}

// Called for >= OO 1.0 passwd protected libraries only
//

BOOL SbModule::LoadCompleted()
{
    SbxArray* p = GetMethods();
    USHORT i;
    for( i = 0; i < p->Count(); i++ )
    {
        SbMethod* q = PTR_CAST(SbMethod,p->Get( i ) );
        if( q )
            q->pMod = this;
    }
    p = GetProperties();
    for( i = 0; i < p->Count(); i++ )
    {
        SbProperty* q = PTR_CAST(SbProperty,p->Get( i ) );
        if( q )
            q->pMod = this;
    }
    return TRUE;
}


/////////////////////////////////////////////////////////////////////////
// Hilfsklasse zur Untersuchung von JavaScript-Modulen, zunaechst zum
// Heraussuchen der Funktionen, spaeter auch zum Syntax-Highlighting verwenden

//  Flags fuer Zeichen-Eigenschaften
#define CHAR_START_IDENTIFIER   0x0001
#define CHAR_IN_IDENTIFIER      0x0002
#define CHAR_START_NUMBER       0x0004
#define CHAR_IN_NUMBER          0x0008
#define CHAR_IN_HEX_NUMBER      0x0010
#define CHAR_IN_OCT_NUMBER      0x0020
#define CHAR_START_STRING       0x0040
#define CHAR_OPERATOR           0x0080
#define CHAR_SPACE              0x0100
#define CHAR_EOL                0x0200

#define CHAR_EOF                0x00


/////////////////////////////////////////////////////////////////////////
// Implementation SbJScriptModule (Basic-Modul fuer JavaScript-Sourcen)
SbJScriptModule::SbJScriptModule( const String& rName )
    :SbModule( rName )
{
}

BOOL SbJScriptModule::LoadData( SvStream& rStrm, USHORT nVer )
{
    (void)nVer;

    Clear();
    if( !SbxObject::LoadData( rStrm, 1 ) )
        return FALSE;

    // Source-String holen
    String aTmp;
    rStrm.ReadByteString( aTmp, osl_getThreadTextEncoding() );
    aOUSource = aTmp;
    return TRUE;
}

SbMethod::SbMethod( const String& r, SbxDataType t, SbModule* p )
        : SbxMethod( r, t ), pMod( p )
{
    bInvalid     = TRUE;
    nStart       =
    nDebugFlags  =
    nLine1       =
    nLine2       = 0;
    // AB: 2.7.1996: HACK wegen 'Referenz kann nicht gesichert werden'
    SetFlag( SBX_NO_MODIFY );
}

SbMethod::SbMethod( const SbMethod& r )
    : SvRefBase( r ), SbxMethod( r )
{
    pMod         = r.pMod;
    bInvalid     = r.bInvalid;
    nStart       = r.nStart;
    nDebugFlags  = r.nDebugFlags;
    nLine1       = r.nLine1;
    nLine2       = r.nLine2;
    SetFlag( SBX_NO_MODIFY );
}

SbMethod::~SbMethod()
{
}

BOOL SbMethod::LoadData( SvStream& rStrm, USHORT nVer )
{
    if( !SbxMethod::LoadData( rStrm, 1 ) )
        return FALSE;
    INT16 n;
    rStrm >> n;
    INT16 nTempStart = (INT16)nStart;
    // nDebugFlags = n;     // AB 16.1.96: Nicht mehr uebernehmen
    if( nVer == 2 )
        rStrm >> nLine1 >> nLine2 >> nTempStart >> bInvalid;
    // AB: 2.7.1996: HACK wegen 'Referenz kann nicht gesichert werden'
    SetFlag( SBX_NO_MODIFY );
    nStart = nTempStart;
    return TRUE;
}

// Kann spaeter mal weg

SbxInfo* SbMethod::GetInfo()
{
    return pInfo;
}

// Schnittstelle zum Ausfuehren einer Methode aus den Applikationen
// #34191# Mit speziellem RefCounting, damit das Basic nicht durch CloseDocument()
// abgeschossen werden kann. Rueckgabewert wird als String geliefert.
ErrCode SbMethod::Call( SbxValue* /*pRet*/ )
{
    OSL_FAIL( "SbMethod::Call: dead code!" );
    return SbERR_NO_METHOD;
}


// #100883 Own Broadcast for SbMethod
void SbMethod::Broadcast( ULONG nHintId )
{
    if( pCst && !IsSet( SBX_NO_BROADCAST ) && StaticIsEnabledBroadcasting() )
    {
        // Da die Methode von aussen aufrufbar ist, hier noch einmal
        // die Berechtigung testen
        if( nHintId & SBX_HINT_DATAWANTED )
            if( !CanRead() )
                return;
        if( nHintId & SBX_HINT_DATACHANGED )
            if( !CanWrite() )
                return;

        if( pMod && !pMod->IsCompiled() )
            pMod->Compile();

        // Block broadcasts while creating new method
        SfxBroadcaster* pSave = pCst;
        pCst = NULL;
        SbMethod* pThisCopy = new SbMethod( *this );
        SbMethodRef xHolder = pThisCopy;
        if( mpPar.Is() )
        {
            // this, als Element 0 eintragen, aber den Parent nicht umsetzen!
            mpPar->PutDirect( pThisCopy, 0 );
               SetParameters( NULL );
        }

        pCst = pSave;
        pSave->Broadcast( SbxHint( nHintId, pThisCopy ) );

        USHORT nSaveFlags = GetFlags();
        SetFlag( SBX_READWRITE );
        pCst = NULL;
        Put( pThisCopy->GetValues_Impl() );
        pCst = pSave;
        SetFlags( nSaveFlags );
    }
}

/////////////////////////////////////////////////////////////////////////

// Implementation SbJScriptMethod (Method-Klasse als Wrapper fuer JavaScript-Funktionen)

SbJScriptMethod::SbJScriptMethod( const String& r, SbxDataType t, SbModule* p )
        : SbMethod( r, t, p )
{
}

SbJScriptMethod::~SbJScriptMethod()
{}


/////////////////////////////////////////////////////////////////////////

SbProperty::SbProperty( const String& r, SbxDataType t, SbModule* p )
        : SbxProperty( r, t ), pMod( p )
{
    bInvalid = FALSE;
}

SbProperty::~SbProperty()
{}

/////////////////////////////////////////////////////////////////////////

SbProcedureProperty::~SbProcedureProperty()
{}


}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
